According to the scientific research, fish contains the high nutritional value. If children often eat fish, they can not only become strong and healthy, but also turn intelligent. Because of abundant nutrients, fish plays an important role in improving health condition for people.

Fish contains abundant complete protein, and the amount and ratio of essential amino acid contained in protein are suitable for the human body to digest. At the same time, the content of fat contained in fish is relatively low. The fat contained in fish is composed of unsaturated fatty acid with long carbon chains which can reduce cholesterol for people. In addition, various nutrients needed by the human body are contained in fish, such as inorganic salts and vitamins. Inorganic salts mainly include sulfone, phosphorus, calcium and iron. Vitamins mainly include vitamin A, vitamin D, vitamin B2, vitamin B12 and vitamin B1. These vitamins can effectively promote digestion, clear away heat and toxic materials, and stop cough. contained in fish can protect cardiovascular system and prevent cardiovascular diseases like high blood pressure myocardial infarction for people. In addition, the flesh of fish is very fresh and tender, so people can easily digest the flesh they eat.

Due to abundant nutrients contained in fish, children should eat fish frequently. The protein contained in fish can accelerate the growth of bones and muscles for children. Mineral substances like zinc, selenium and iodine contained in fish are all the necessary nutrients for children to improve the immunity system. What’s more, omega-3 fatty acid is contained abundantly in fish which contains rich fish oil. Omega-3 fatty acid plays an important role in developing the brain. The more than 60% of the brain compositions are composed of fat and nearly 50% of the fat is composed of omega-3 fatty acid. In addition, the lack of omega-3 fatty acid can cause dyslexia. Children with dyslexia can often eat fish with rich fish oil to improve the ability of reading and reciting. Fish which contains rich fish oil can also prevent children from getting asthma.

However, not all the kinds of fish are suitable for children to eat. Children should at least avoid eating shark, saurida, sailfish, marlin, tilapia, tilefish and catfish. The content of mercury contained in these seven kinds of fish is much higher than that in other fishes. An Excessive content of mercury absorbed by children can seriously affect the children's normal growth.